Pneumatic filler



Jan. 3, 1939. R] @NKLIN 2,142,952

PNEUMAT IG FILLER Filed Oct. 21, 1956 Q G. c

.INVEN OR ATTORNEYS Patented Jan. 3, 1939 UNITED STATES PATENT OFFICE PNEUMATIC FILLER Raymond Conklin, Miami, Fla., assignor of onethird to J. F. Ireland, Miami, Fla.

Application October 21, 1936, Serial No. 106,898

2 Claims. (Cl. 152312) 5 vision of a filler of this character, wherein the mediums H for creating individual cells I2 which 5 same involves the formation of a plurality of inare noncommunicative with each other and are dependent cells having internal pressure and the separated by intermediate fiat webs IS, the latter body creating these cells is coiled on itself by the being formed by compressing the walls of the body winding of such body and the coil being of the ID at determined intervals by said mediums ll required size to effect a filler within the tire, and these walls when brought together and in 10 mattress, ball, buoy or the like and when funccontact adhere one to the other with the resultant tioning as a filler will eliminate complete 001- cells l2 created within said body. In the formalapse, as, for example, when within a vehicle tire tion of the cells l2 external pressure is had upon to effectually avoid blowouts or punctures which the body I0 while within the cells is an internal will defeat continued use thereof. pressure, these external and internal pressures 5 Another object of the invention is the probeing equal and while such body is being subvision of a filler of this character, wherein the jected to external pressure the body length l 0 formation thereof is novel in kind and when emis coiled at M upon a wheel l5, the coiling being ployed within a tire casing, mattress body, ball carried forth until the coil is of a desired size to body, buoy body or the like will give the required fit within the casing A or other receiver for the 20 resiliency thereto and will have the pneumatic filler, the casing A being slipped over the coil efiect without liability of a blowout and is practiand the open inner periphery of this casing is cally puncture-proof. made secure within the rim B so that the inner A further object of the invention is the proopen periphery will be closed and in some invision of a filler of this character, which is comstances it may be sealed, the external pressure 25 paratively simple in its construction, thoroughly being relieved from the coil when the casing A reliable and efiective in its operation, light in is secured in place or its inner peripheral opening Weight yet strong, durable, assuring against blowis sealed. The bringing together of the walls of cuts and punctures when employed in a tire casthe body at opposite ends of the cells l2 seals the ing, and inexpensive to manufacture. latter with the internal pressure present therein. 30

With these and other objects in view, the in- The filler when present within a tire casing vention consists in the features of construction, gives the pneumatic characteristics to the tire combination and arrangement of parts as will be and at the same time eliminates blowouts and hereinafter more fully described, illustrated in punctures and will absorb shocks and jars incithe accompanying drawing, which discloses the dent to the use thereof. The webs l3 may be 35 preferred embodiment of the invention and pointarrived at by vulcanization or the welding of one ed out in the claims hereunto appended. wall of the body I0 with the other when sub- In the accompanying drawing: jected to external pressure, as, for example,

Figure 1 is a vertical transverse sectional view through the mediums H, the filler being servicethroughatire'casing showing the filler constructable for use with tires, mattresses, pillows, pads 40 ed in accordance with the invention applied. and other articles requiring pneumatic charac- Figure 2 is a fragmentary vertical transverse teristics. sectional view through the cellular or chambered What is claimed is: body of said filler showing the preferred method 1. A filler for a tire casing comprising an elonof rendering the body cellular or chambered. gated tubular member helically wound about it- 45 Figure 3 is a view similar to Figure 2 showing self within the casing in a manner to occupy the external pressure application to the cellular body. entire interior area of the casing, and means Figure 4 is a side elevation of a wheel showing dividing said member into a plurality of longithe coiling of the cellular body for the formation tudinally spaced apart non-communicating closed of the filler. cells. 50

Similar reference characters indicate corre- 2. A filler for a tire casing comprising an elonsponding parts throughout the several views in gated member helically wound about itself withthe drawing. in the casing in a manner to occupy the entire in- -Referring to the drawing in detail, A designates terior area of the casing, said member including a generally a portion of a tire casing carried upon plurality of initially inflated cells, and a webbing 55 a rim B of a vehicle wheel and within this casing connecting the ends of adjacent cells together and is the filler C constituting the present invention disposing the cells in longitudinally spaced apart and hereinafter fully described. relation and providing a non-communicating con- The filler C comprises a tubular body length l0 nection between adjacent cells.

made preferably of the desired cross sectional RAYMOND CONKLIN. 60

The invention relates to a pneumatic filler and more particularly to that type of filler used for vehicle tires, mattresses, balls, buoys, etc.

The primary object of the invention is the prosize and in this instance of uncured rubber although it may be made from any other material having the desired elasticity or flexibility. This body length I0 is acted upon through suitable 

